<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
   div{
    text-align: center;
    margin: auto;
   }
    
</style>
<body>
    <div>
        <h2>用户注册</h2>
        <label>用户名：<input></label><br><br>
        <label>密码：<input type="password" id="pwd1"></label><br><br>
        <button >注册</button>
    </div>
</body>

</html>